Detailed Product Description Caustic Soda Flakes & Pearls1.Specification: Purity: 96%min 1) Na2CO3: 1.4% max. ... % max. 3) Fe2O3: 0.01% max. 2.Usages:Caustic Soda Flakes & Pearls is basic and important chemical feed.Causitc Soda ... Flakes & Pearls is used as textiles industry,printing,detergent,paper-making, ...